I-46
G-084383_EN • 03
P
roduct
I
nstallatIon
î
When connecting several boilers to the same duct (i.e. types C43, C83), make sure
to install an AIC-approved flue gas back-flow preventer on each boiler in the system.
î
For B23p chimney cascade, please contact your AIC representative.
Please also refer to the additional information in
“Engineering the Chimney System” on
page
I-45
for the construction of your chimney system.
i
Combustion circuit
Sealed
Connection
Via two ducts to a common duct system
(part of the building, designed for more than
one appliance)
Air inlet/fl ue outlet orifi ces
through a roof terminal that
admits combus-
tion air from the outside AND discharges fl ue
to the outside
î
Concentric ducts
OR
î
Both orifi ces are c
lose enough to come un-
der similar wind conditions
Additional requirements
î
Chimney with natural draught only
î
Condensate fl ow is not allowed into the
appliance
C
43
C
63
Combustion circuit
Sealed
Connection
To a system that is approved and sold separately
(external supplier)
Air inlet/fl ue outlet orifi ces
May terminate in zones of diff erent pressure
Additional requirement
î
Maximum allowable draught is 200 Pa.
î
Maximum allowable pressure diff erence between combustion air inlet and fl ue
gas outlet (including wind pressures) is indicated in the technical specifi cations.
î
maximum allowable temperature of combustion air is 40°C.
î
Condensate fl ow is allowed into the appliance.
î
Maximum allowable recirculation rate of 10% under wind conditions
î
Orifi ces may NOT terminate on opposite walls of the building
î
The fl ue gas exhaust pipes must at least comply with the category T120 H1
W1/2 O30 LI E U when using parallel piping and T120 H1 W1/2 O00 LI/LE E
U0 when using concentric piping (EN 14471).
This type of connection is prohibited in some countries - refer to local regulations and
standards in force
Combustion circuit
Sealed
Connection
Through:
î
a single duct system
OR
î
a common duct system
(part of the building,
designed for more than one appliance)
Air inlet/fl ue outlet orifi ces
î
Flue is discharged to the roof
î
Combustion air is taken from the outside
Additional requirement
î
Condensate fl ow is not allowed into the appli-
ance
C
83
Summary of Contents for COILMASTER 100
Page 69: ...3 5 2 1 Fig 22 CM 100 120 Removing and Installing the Burner I 69 G 084383_EN 03 Maintenance...
Page 92: ...I 92 G 084383_EN 03 Declaration of Conformity...
Page 93: ...I 93 G 084383_EN 03 NOTES...
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